Home / 18,529.56-27,777.60-6,839.91

Finding the Fourth Proportional to 18,529.56, 27,777.60 and 6,839.91

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Solution

The fourth proportional to 18,529.56, 27,777.60 and 6,839.91 is: 10,253.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,529.56 : 27,777.60 = 6,839.91 : x
  2. Step 2: Convert to fraction form
    18,529.56/27,777.60 = 6,839.91/x
  3. Step 3: Cross multiply
    18,529.56x = 27,777.60 × 6,839.91
  4. Step 4: Simplify right side
    18,529.56x = 189,996,284.02
  5. Step 5: Solve for x
    x = 189,996,284.02/18,529.56
  6. Step 6: Final answer
    x = 10,253.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.